Tom Hanks Reveals He Has Type 2 Diabetes

NEW YORK, NY - OCTOBER 07: Tom Hanks attends the Academy of Motion Picture Arts and Sciences official Academy members screening of "Captain Phillips" on October 7, 2013 in New York City. (Photo by Craig Barritt/Getty Images for Academy of Motion Picture Arts and Sciences)

Oscar-winner Tom Hanks has Type 2 diabetes.

"Late Show" host Dave Letterman Monday night asked Hanks, who was looking rather slimmer than usual, about his weight.

The legendary actor, 57, admitted that he has been dealing with high blood sugar since he was 36, around the time he made "Forrest Gump," and recently got some startling news during a doctor's visit.

Type 2 diabetes is the most common form and makes up about 90 percent of diabetes cases. It's usually managed by increasing exercise and improving one's diet. If that doesn't lower the blood glucose level, then insulin might be needed.

Other celebrities with diabetes include Halle Berry, Randy Jackson and Drew Carey.

Type 1 diabetes is the less prevalent form of the disease, in which there is a total insulin deficiency and can be fatal if not controlled with supplemental insulin.

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